Home / 50,422.32-75,659.00-20,861.37

Finding the Fourth Proportional to 50,422.32, 75,659.00 and 20,861.37

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Solution

The fourth proportional to 50,422.32, 75,659.00 and 20,861.37 is: 31,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,422.32 : 75,659.00 = 20,861.37 : x
  2. Step 2: Convert to fraction form
    50,422.32/75,659.00 = 20,861.37/x
  3. Step 3: Cross multiply
    50,422.32x = 75,659.00 × 20,861.37
  4. Step 4: Simplify right side
    50,422.32x = 1,578,350,288.52
  5. Step 5: Solve for x
    x = 1,578,350,288.52/50,422.32
  6. Step 6: Final answer
    x = 31,302.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.